EPA Method 8250/8250A Cal Check BNS

Azinphos methyl, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 86-50-0

1-Chloro-4-fluorobenzene, Internal standard for Gasoline Range Analysis, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 352-33-0

Native Chlorinated Methoxybiphenyl Solution/Mixture, 1.2ml, nonane